package com.qs.ordermanage.filer;


import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
@WebFilter(filterName = "loginFilter", urlPatterns = "/*")
public class SessionFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("过滤器初始化~");
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        request.setAttribute("ctx", request.getContextPath());
        filterChain.doFilter(request, response);
    }

    @Override
    public void destroy() {
        System.out.println("过滤器销毁中~");
    }
}
